This universal inner tube with TR13 valve is a reliable and durable choice for your gas-powered lawn mower. Its high-quality rubber material ensures long-lasting performance, while its compatibility with various brands makes it a versatile option. Measuring 18 inches in height and fitting 8-inch rims with widths of 8.5 and 9.5 inches, this inner tube is perfect for your lawn mowing needs. The KENDA/STENS model T858-13OF inner tube is made in Vietnam and comes in a pack of one unit. Its black color and sturdy construction make it a sleek and functional addition to your lawn mower's tire. Get ready to tackle your yard work with ease and efficiency with this reliable inner tube.